Erin Chung
NPI 1003765082 · Occupational Therapist · Diamond Bar, CA
Erin Chung is a Occupational Therapist provider in Diamond Bar, CA (NPI 1003765082).
Provider details
- NPI number
- 1003765082
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sole proprietor
- Yes
- License
- 28685 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-01-23
- Last updated
- 2026-01-23
- Certified
- 2026-01-23
Frequently asked questions
- What is Erin Chung's NPI number?
- Erin Chung's National Provider Identifier (NPI) is 1003765082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Chung's specialty?
- Erin Chung is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Erin Chung located?
- Erin Chung's practice location on file with NPPES is 3220 S Brea Canyon Rd Ste E, Diamond Bar, CA 91765-3481.
- What is Erin Chung's phone number?
- The practice phone number listed in the NPPES registry for Erin Chung is (909) 258-9292.
- Is Erin Chung's NPI active?
- Yes — Erin Chung's NPI (1003765082) is active in the NPPES registry as of the last update on 2026-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.